mathdatech/Python
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Python.git synced 2024-11-24 05:21:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update is_palindrome.py (#2025)

Browse Source 
* Update is_palindrome.py

* Update is_palindrome.py

* Reuse s

Co-authored-by: Christian Clauss <cclauss@me.com>
This commit is contained in:
Ashwin Das 2020-05-22 15:27:23 +05:30 committed by GitHub
parent a15f82579d
commit d8a4faf96d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
strings/is_palindrome.py
View File

@ -1,4 +1,4 @@
def is_palindrome(s):
def is_palindrome(s: str) -> bool:
"""
Determine whether the string is palindrome
:param s:
@ -7,7 +7,16 @@ def is_palindrome(s):
True
>>> is_palindrome("Hello")
False
>>> is_palindrome("Able was I ere I saw Elba")
True
>>> is_palindrome("racecar")
True
>>> is_palindrome("Mr. Owl ate my metal worm?")
True
"""
# Since Punctuation, capitalization, and spaces are usually ignored while checking Palindrome,
# we first remove them from our string.
s = "".join([character for character in s.lower() if character.isalnum()])
return s == s[::-1]